Operating



L l lull. mm

mining-n.

Muni.-

MEANS. Iuxarii's l2. Ilonka. (iallilzin,

Lawn, Gallitzin, la. .serial No. 587,094.

l To all ur/tom 'it 'muy concern:

Bc it known that l, IoxaTn-s ll. Ronin,

a citizen of the United States, residing at Gallitzin, in the county of Cambria and' State of leiinsvlvania. have invented new s detail perspective view of a spring connecof Fig. 3, looking,r to the right. a section on the line ll.1l. of Fig. 3, lookand useful Improvements in lropeller-Qp erating,r Means, of which the followingr is a specification. This invention has relation to means intended more particularly for propelling to the 10h' boats and vessels of kindred nature designed to be operated upon'water ways.

The primary purpose of the invention is to impart a combined rotary and reciprocating movement to the propeller of boats so as to obtain the combined etl'eet of both movements and thereby secure a maximum percentage of effective work from a given power.

The invention further contemplates the v 1s secured to the vessel and forms a supmountingpf propellers so as to aline and to impart a two-fold movement to each, the propellers being mounted so that when one is advancing the other is returning to a given position, both propellers reciprocating simultaneously in opposite directions.

The invention aims to provide bearings to impart a reciprocating movement thereto and to provide concentric shafts having interlocking means to cause both to rotate in unison, each of the shafts being supplied y with a propeller and having connection with one of the bearings so as to turn therein and to reciprocate therewith.

The invention further provides peculiar means for imparting rotary movement to one of the shafts simultaneously with its reciprocating movement, said rotary movement being imparted to the other shaft two shafts.

The invention consists of the novel features, details of construction and combination of parts, which hereinafter will be more particiilarl set forth, illustrated in the accompanying dmwings. and pointed out in the appended claims.

Referring to the drawings, forming a part of the specifications, Figure 1 is a side view pf boat propelling means embodying the invention, showing a portion of the boat in section, an intermediate portion beingr broken away. Fig. 2 is a top plan view of the propelling mechanism. showing the hubs of the Propellers, the bearings for the shafts anda part of the framework in horizontal section. Fig. 3 is a vertical longitudinal section on the line 3-3 of Fig. 2. Fig. 4 isasectmnontheline4-4ofFig.2,lookrnoriamaai: oricitvrmo separated.

and 5 which aie oppositely disposed.

vtive cranks 4 and 5. I ranged upon opposite sides of the frame 2 so as not to interfere with each other b v A reason of the opposite arrangement of the ing to the left. Fig. :'i is a detail section on tht` line 5-5 of l'ig. 2, showing thc center portion ot the gear in which the propeller shaft is slidaldy mounted and keyed so as to rotatt with said gear. Fig. is a .section on the line t'v--t of Fig. :2, lookingr to the left. Fig. is a detail perspective view of one of the bearings, the parts being Fig. S is a detail perspective view of one ot the tie plates. Fig. 9 is a Fig. it) is a section on the line 10--10 Fig. 11 is Corresponding and like parts are referred i to in the following description, and indicated in all the views of the drawings, by the same reference characters.

The numeral l indicates part of the hull L of a boat or other vessel for plying the water, the same beingr equipped with a pro- L pellin,"r mechanism illustrating the application of the invention.

The numeral 2 designates a frame, which port for the working parts. A shaft 3 is of the fraaie and is adapted to be driven in any manner and has crank portions 4 l-`lv wheels G and 7 are mounted upon the shaft 3 and one of the ily wheels, as 7, is provided upon its outer `side with bevel gear 8, which is in mesh with a bevel pinion 9 secured to the forward end of a longitudinal shaft 10. Bearings 11 and 12 are slidably mounted upon the frame '2 and are connected by pitmen 13 and 14 with the respec The pitmen are arci-aiiks 4 and The bearings 11 and 12 receive a reci noeating movement in reverse through the Interlocking means between the directions wiih the result that when one of the propellers is moving rearward the other is returning to a given position preliminary to having a rearward movement imparted thereto. similar construction. that is each is formed of coinplemental parts which are secured to- Qgether and between which an annular enlargement of the propeller shaft is held to cause said shaft to reciprocate with the bear- I ing while at the saine time the sha ft is free to rotate in the bearing.

The bearings 11 and 12 are of The propellers l5 and 16 may bc of any make or type and are secured to the outer 'or rear ends of propeller shafts 17-and 1S :which `have a concentric arrangement, the

' solid and fits snugly within the shaft 1R and tween the two parts of the hearing so that topainl bottoni, said extensions-.honig spaced aparl` :is indicated ai 3l.

'l`lic extensions 222i project a distance to overlap the ends of the shaft is compelled to reciprocate with the bearing when the latter is moved rectilinearly. The shaft 18 has an annular eni' largement 20 near its forward end which tion they fit within the recesses 36 o part 2T and the blocks 3i' enter the openings t is confined between the two parts of the Y bearing 11 to cause said shaft and bearing to move together when the bearing is re- 1f ciprocated. 'The shaft 1S obtains an additional hearing in the rear end of the frame 2 and within the stutling box applied to the stern of the boat.

Rotary movement is imparted to one of the propeller shafts.

In the preferred conl struction the shaft 18 is positively driven.

and has a gear wheel 21 mounted thereon, said gear wheel being held in a given plane and having interlocking connection with the shaft 18 to impart a rotary movement, thereto siniultaneousl) with the reciprocating movement. The gear wheel 21 meshes with a gear wheel :22 miired to the rear end of the longitudinal shaft- 10- The shaft 18 has a series of longitudinal grooves 23 in its outerside and the gear wheel 21 has a corresponding series of ribs 24 cxtending'into form interlocking means between the gear wheel and shaft. Any means may be resorted to for holding the gear wheel 'l in a given plane and as illustrated a collar E25 is confined between parts of the frame and fits loosely upon the shaft 18 and holts or tie rods 26 connect said collar with the hub portion of the gear wheel 21. The collar 25 and gear wheel .21 rotate together and the distance between the two may be varied to insune proper alinement of the gear wheels` 21 and Each of the propeller shaft hearings comprises parts 2 and 8 which are separable and adapted to he secured hy means of bolts .land connectors 30. One of the parts, as 2S. has thc inner end of its opening enlarged. as indicated at 3l. to receive the annular enlargement of the pro peller shaft and the other part :2T has a boss 32 in line with the opening to enter the opening 31 and confine the enlargement of the propeller shaft fitting therein. The part 28 has longitudinal extensions 33 at its llie part 2i and are fornied willi vertical opi-ning" 1:7 which reci-ive the, outer ends of the spi-in"r connectors 30. 'l'he outer side of the part 'T has recesses 36 in its upper and lower portions to receive the `spring connectors 3H. l'iach of the spring connectors .".0 comprises liloclvs 3i' and 3S, a pin 39 and a helical spring l!) of the expansible type nuunited upon the piu 39 niul interposed between the blocks 3i' and 38 to force the saine apart. 'l`lie pin 30 is fixed to the q hloek 3S and enters an o ning formed in i the block 3T, the latter being movable upon the pin 39 toward and away from the bloclt When the spring connectors are in oitie 35 formed in the projecting ends of the longitudinal extensions 33, as indicated most clearly in Fig. 4 27 and 2S. Tie plates 41 are fitted to the upper and lower sides of each of the ear- A ings 1l and l2 and each tic plate has flanges 42 at its opposite longitiiiilinal edges which einhrace opposite sides of the bearings, said flanges having openings which register with corresponi'liir"r openings of the parts of the .hearing and through which bolts 43 pass.

The tic plaies have inner longitudinal ribs 44, which fit in the .-pace: M formed be- .-tween the longitudinal extensions and vhave outer longitudinal ribs 4.3 which fit its o nine' to tit the Grooves 23 and therebv :lf

pe o e linovement.is imparted to the shaft 3 from within longitudinal grooves 46 formed in the. inner faces of upper and lower memhers of the frame i! and which members constitute ways between which the bearings 1l and 1'2 are slidahly mounted.

In the operation of the mechanism rotary i any source and the hearings 11 and 12 are caused to reciprocate and the shaft 1Q to Irotate and h v reason of the connections herein specified the shafts 17 and 1S have a combined rotary and rectilinear reciprocating movement imparted thereto in such .a manner so that when the propeller 15 is.'

inoving rearward the propeller 16 is moving forward and vice versa. This manner of operating the propelleis results in utilizing a maximum percentage of the power initially developed for eflicient work in driving.r the lioat or vessel.

From the foregoing description. taken in connection with the accoinpanving drawings. the advantages of the construction and of the method of operation will be readily apparent to those skilled in the art to which the invention appertains, and while I have described the principle of operation of the invention, together with the device which I now consider to be the embodiment thereof,

10, thereby securing the parts A l desire to have it understoofl that thc device shown is merelv illustrative. and that such changes ma)I he made when desired as are within the scope of the claims appended hereto.

llaving thus described th(l invention what is claimed as new. is:-

1. In a propeller mechanism. the combination of two shafts one mounted upon the other and adapted to interlock therewith. whereb) both shafts are adapted to rotate together but are free to hat' a longitude nal movement im arted thereto, a propeller secured to each o the shafts, means for imparting a reciprocatingr movement to each of the shafts independently' of the other shaft, and means for imparting a rotary movement to one of the shafts.

i. In propelling mechanism. the combination of concentric shafts mounted to reciprocate and to rotate. interlockingr means between the two shafts to cause them to turn together. propellers secured to the respective shafts, alined slides. means connectingr the shafts willi the respective slides, means for imparting a reciprocating movement to the slides to cause them to operate simultaneousl) in reverse directions. a gear wheel mounted upon one of the shafts and having interlocking connection therewith, and means for imparting a rotary movement to said gear wheel.

3. In propeller mechanism, the combination of a shaft provided with a propeller and mounted to receive a combined rotary and longitudinal movement. a bearing for the shaft composed of two parts between which a portion of the shaft is confined, one of said parts having apertnred extensions to overlap the other part, the last mentioned part having openings. and spring connectors fitted in the openings of the last mentioned part and adapted to engage the openings formed in the extensions of the first mentioned part.

4- In propelling mechanism. the combination of a shaft provided with a propeller and mounted to receive a combined rotatv and longitudinal movement, a bearing for the shaft composed of parts between which a portion of the shaft is confined., said hearing having longitudinal grooves in opposite sides, and tie plateseonnecting the parts` of the bearing anti having r inner and outer longitudinal ribs. i

5. It: propelling mechanism. the eomhimytion of concentric propeller shafts. interlocking means between the shafts to cause them to rotate together and to admit of their having independent reciprocating movement, alined bearings for the respective shafts. a power shaft having crank portions. connecting means between the crank portions of the power shaft and the respective bearings to impart a reciprocating movement to the latter. a gear wheel mounted upon one of the propeller shafts and having interlocking: connection to rotate therewith, and con neet ing means between said power shaft and gear wheel for imparting rotary movement to the latter.

ln testimony whereof l aflix my signature in presence of two witnees.

IGNTIUS B. ROLKA. 'it ncsses J. R. C.\.\u'm:t.t., M. J. limon-nx. 

